Patents by Inventor Jun H. Park

Jun H. Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical pickup with two optical systems each generates a laser beam
    Patent number: 5633853
    Abstract: An optical pickup device for reading a multitude of disks. A first optical system for reading a first optical disk by generating a first laser beam, exposing the first laser beam on the first optical disk and receiving a first reflected light from the first optical disk system, and a second optical system for reading a second optical disk by producing a second laser beam, exposing the second laser beam on the second optical disk and receiving a second reflected light from the second optical disk are provided. Reproduction of the multitude of disks without transporting the pickup device can be formed continuously.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: May 27, 1997
    Assignee: Daewoo Electronics Co., Ltd.
    Inventors: Yeon O. Kim, Jun H. Park